<?php
/**
 * crcl/base
 *
 * Copyright 2013 CRCL - André Sabosch - info@crcl.de
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * Char related functions
 */

namespace crcl\base\string;

interface IChar
{
  /**
   * Returns \TRUE if char is whitechar (space, tabe, new line, ...)
   *
   * @param char $c
   */
  public static function isWhitechar($c);
}

class Char implements IChar
{
  public static function isWhitechar($c)
  {
    if (\strlen($c) >= 1)
    {
      return \strpos(" \t\n\r\0", $c) !== \FALSE;
    }
    return \FALSE;
  }
}
